[INFO] updating cached repository cohama/pfds
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cohama/pfds
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cohama/pfds" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cohama/pfds"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cohama/pfds'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cohama/pfds" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cohama/pfds"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cohama/pfds'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a81905a7f9b100c348aae02ad954f2a932e25f3d
[INFO] sha for GitHub repo cohama/pfds: a81905a7f9b100c348aae02ad954f2a932e25f3d
[INFO] validating manifest of cohama/pfds on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cohama/pfds on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cohama/pfds
[INFO] finished frobbing cohama/pfds
[INFO] frobbed toml for cohama/pfds written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cohama/pfds/Cargo.toml
[INFO] started frobbing cohama/pfds
[INFO] finished frobbing cohama/pfds
[INFO] frobbed toml for cohama/pfds written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cohama/pfds/Cargo.toml
[INFO] crate cohama/pfds already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cohama/pfds against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cohama/pfds:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf8660bab16c2bfce4ae27df220454f3c6ad64177dc6460d8cbde815e0d909db
[INFO] running `"docker" "start" "-a" "bf8660bab16c2bfce4ae27df220454f3c6ad64177dc6460d8cbde815e0d909db"`
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking pfds v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/impls/redblacktree.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Box<FnBox() -> TailRec<'a, T> + 'a>)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> TailRec<'a, T> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls/redblacktree.rs:216:37
[INFO] [stderr]     |
[INFO] [stderr] 216 |                              k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a>)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls/redblacktree.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |                            k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a>)
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/impls/redblacktree.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Box<FnBox() -> TailRec<'a, T> + 'a>)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> TailRec<'a, T> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls/redblacktree.rs:216:37
[INFO] [stderr]     |
[INFO] [stderr] 216 |                              k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a>)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/impls/redblacktree.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |                            k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a>)
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]  --> src/impls/redblacktree.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]   --> src/impls/redblacktree.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Box<FnBox() -> TailRec<'a, T> + 'a>)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]    --> src/impls/redblacktree.rs:216:37
[INFO] [stderr]     |
[INFO] [stderr] 216 |                              k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a>)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]    --> src/impls/redblacktree.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |                            k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a>)
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]  --> src/impls/redblacktree.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]   --> src/impls/redblacktree.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Box<FnBox() -> TailRec<'a, T> + 'a>)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]    --> src/impls/redblacktree.rs:216:37
[INFO] [stderr]     |
[INFO] [stderr] 216 |                              k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> TailRec<'a, RedBlackTree<T>> + 'a>)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::boxed::FnBox': use `FnOnce`, `FnMut`, or `Fn` instead
[INFO] [stderr]    --> src/impls/redblacktree.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |                            k: Box<FnBox(RedBlackTree<T>, i32, List<T>) -> RedBlackTree<T> + 'a>)
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rlbalance`
[INFO] [stderr]    --> src/impls/redblacktree.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn rlbalance(color: Color, left: &Rc<RedBlackTree<T>>, val: &T, right: &Rc<RedBlackTree<T>>) -> RedBlackTree<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rlbalance`
[INFO] [stderr]    --> src/impls/redblacktree.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn rlbalance(color: Color, left: &Rc<RedBlackTree<T>>, val: &T, right: &Rc<RedBlackTree<T>>) -> RedBlackTree<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "bf8660bab16c2bfce4ae27df220454f3c6ad64177dc6460d8cbde815e0d909db"`
[INFO] running `"docker" "rm" "-f" "bf8660bab16c2bfce4ae27df220454f3c6ad64177dc6460d8cbde815e0d909db"`
[INFO] [stdout] bf8660bab16c2bfce4ae27df220454f3c6ad64177dc6460d8cbde815e0d909db